Molecular physiology of Antarctic diatom natural assemblages and bloom event reveal insights into strategies contributing to their ecological success
In the Southern Ocean, phytoplankton must cope with harsh environmental conditions such as low light and growth limiting concentrations of the micronutrient iron. We collected 25 surface seawater samples from the western Antarctic Peninsula (WAP) and assessed the influence of oceanographic variables...
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ftzenodo:oai:zenodo.org:10620539 2024-09-15T17:48:30+00:00 Molecular physiology of Antarctic diatom natural assemblages and bloom event reveal insights into strategies contributing to their ecological success Moreno, Carly Meyer, Meredith 2024-02-05 https://doi.org/10.5281/zenodo.10620539 unknown Zenodo https://doi.org/10.5281/zenodo.10620538 https://doi.org/10.5281/zenodo.10620539 oai:zenodo.org:10620539 info:eu-repo/semantics/openAccess Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode diatom molecular physiology polar metatranscriptome phytoplankton info:eu-repo/semantics/other 2024 ftzenodo https://doi.org/10.5281/zenodo.1062053910.5281/zenodo.10620538 2024-07-27T06:54:58Z In the Southern Ocean, phytoplankton must cope with harsh environmental conditions such as low light and growth limiting concentrations of the micronutrient iron. We collected 25 surface seawater samples from the western Antarctic Peninsula (WAP) and assessed the influence of oceanographic variables on the diversity of the phytoplankton community composition and on the metabolic strategies of diatoms by performing metatranscriptomics. We found that cross-shelf differences in oceanographic parameters such as temperature and variable nutrient concentrations account for most of the differences in phytoplankton community composition and metabolism. We opportunistically characterized the metabolic underpinnings of a large bloom of the centric diatom Actinocyclus in coastal waters of the WAP. Our results indicate that physico-chemical differences from on- to offshore are stronger than between southern and northern regions of the WAP; however, these trends could change in the future resulting in poleward shifts in functional differences in diatom communities and phytoplankton blooms. This submission includes the 25 seawater metatranscriptome samples from the WAP. Other/Unknown Material Antarc* Antarctic Antarctic Peninsula Southern Ocean Zenodo |
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diatom molecular physiology polar metatranscriptome phytoplankton |
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diatom molecular physiology polar metatranscriptome phytoplankton Moreno, Carly Molecular physiology of Antarctic diatom natural assemblages and bloom event reveal insights into strategies contributing to their ecological success |
topic_facet |
diatom molecular physiology polar metatranscriptome phytoplankton |
description |
In the Southern Ocean, phytoplankton must cope with harsh environmental conditions such as low light and growth limiting concentrations of the micronutrient iron. We collected 25 surface seawater samples from the western Antarctic Peninsula (WAP) and assessed the influence of oceanographic variables on the diversity of the phytoplankton community composition and on the metabolic strategies of diatoms by performing metatranscriptomics. We found that cross-shelf differences in oceanographic parameters such as temperature and variable nutrient concentrations account for most of the differences in phytoplankton community composition and metabolism. We opportunistically characterized the metabolic underpinnings of a large bloom of the centric diatom Actinocyclus in coastal waters of the WAP. Our results indicate that physico-chemical differences from on- to offshore are stronger than between southern and northern regions of the WAP; however, these trends could change in the future resulting in poleward shifts in functional differences in diatom communities and phytoplankton blooms. This submission includes the 25 seawater metatranscriptome samples from the WAP. |
author2 |
Meyer, Meredith |
format |
Other/Unknown Material |
author |
Moreno, Carly |
author_facet |
Moreno, Carly |
author_sort |
Moreno, Carly |
title |
Molecular physiology of Antarctic diatom natural assemblages and bloom event reveal insights into strategies contributing to their ecological success |
title_short |
Molecular physiology of Antarctic diatom natural assemblages and bloom event reveal insights into strategies contributing to their ecological success |
title_full |
Molecular physiology of Antarctic diatom natural assemblages and bloom event reveal insights into strategies contributing to their ecological success |
title_fullStr |
Molecular physiology of Antarctic diatom natural assemblages and bloom event reveal insights into strategies contributing to their ecological success |
title_full_unstemmed |
Molecular physiology of Antarctic diatom natural assemblages and bloom event reveal insights into strategies contributing to their ecological success |
title_sort |
molecular physiology of antarctic diatom natural assemblages and bloom event reveal insights into strategies contributing to their ecological success |
publisher |
Zenodo |
publishDate |
2024 |
url |
https://doi.org/10.5281/zenodo.10620539 |
genre |
Antarc* Antarctic Antarctic Peninsula Southern Ocean |
genre_facet |
Antarc* Antarctic Antarctic Peninsula Southern Ocean |
op_relation |
https://doi.org/10.5281/zenodo.10620538 https://doi.org/10.5281/zenodo.10620539 oai:zenodo.org:10620539 |
op_rights |
info:eu-repo/semantics/openAccess Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode |
op_doi |
https://doi.org/10.5281/zenodo.1062053910.5281/zenodo.10620538 |
_version_ |
1810289772070961152 |